The National Defense Industrial Association (NDIA)

National Defense Industrial Association is non-profit international association.

National Defense Industrial Association is non-profit international association. It was formed as a result of the merger between the American Defense Preparedness Association (ADPA) and National Security Industrial Association (NSIA). The association provides a legal and ethical forum for the interchange of ideas between the government and industries to resolve industrial problems of joint concern. It offers research and development, procurement, and logistics services as well as publishes National Defense, a business and technology magazine. National Defense Industrial Association was founded in 1997 and is based in Arlington, Virginia.